979992550008651 has 16 divisors (see below), whose sum is σ = 1337819295527424. Its totient is φ = 637817113812384.

The previous prime is 979992550008613. The next prime is 979992550008671. The reversal of 979992550008651 is 156800055299979.

It is not a de Polignac number, because 979992550008651 - 2²¹ = 979992547911499 is a prime.

It is a super-2 number, since 2×979992550008651² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (979992550008671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8753472705 + ... + 8753584658.

It is an arithmetic number, because the mean of its divisors is an integer number (83613705970464).

Almost surely, 2^{979992550008651} is an apocalyptic number.

979992550008651 is a deficient number, since it is larger than the sum of its proper divisors (357826745518773).

979992550008651 is a wasteful number, since it uses less digits than its factorization.

979992550008651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17507057810.

The product of its (nonzero) digits is 551124000, while the sum is 75.

The spelling of 979992550008651 in words is "nine hundred seventy-nine trillion, nine hundred ninety-two billion, five hundred fifty million, eight thousand, six hundred fifty-one".